Scientifc America
JWST's Puzzling Early Galaxies Don't Break Cosmology--But They Do Bend Astrophysics
Rather than ripping up our fundamental models of the universe, the unexpectedly big and bright galaxies spied in the early universe by JWST probably have astrophysical explanations
Planets Orbiting Dead Stars Foretell the Solar System's Far-Future Fate
Images of possible planets around white dwarf stars suggest that some gas-giant worlds survive the deaths of their stellar host
Tougher AI Policies Could Protect Taylor Swift--And Everyone Else--From Deepfakes
In January Taylor Swift became the latest high-profile target of nonconsensual deepfake images. It’s time for regulations that ban this kind of abusive AI content, cyberadvocates say
Air Pollution Threatens Millions of Lives. Now the Sources Are Shifting
As EPA tightens air pollution standards for particulate matter, new research suggests some components of that pollution could worsen with climate change
The Forgotten Star of Radio Astronomy
Ruby Payne-Scott and her colleagues unlocked a new way of seeing the universe, but to keep her job, Ruby had to keep a big secret.
How to Explain April's Total Solar Eclipse to Kids
The total solar eclipse over North America this April is a great opportunity for kids to understand the dance of the Earth, sun and moon
Peach Fuzz Is Pantone's Color of the Year--And It's Everywhere in Nature
This warm, fuzzy color can be found all over the natural world, from land to sea to space
Saturn's 'Death Star' Moon May Hide a Massive, Shockingly Young Ocean
A surprisingly youthful ocean within Mimas, a tiny moon of Saturn, has big implications for the solar system’s history—and for finding life beyond Earth
Europe's New AI Rules Could Go Global--Here's What That Will Mean
A leaked draft of the European Union’s upcoming AI Act has experts discussing where the regulations may fall short
Even ChatGPT Says ChatGPT Is Racially Biased
When asked, ChatGPT declared that its training material—the language we humans use every day—was to blame for potential bias in stories it generated
New AI Circuitry That Mimics Human Brains Makes Models Smarter
A new kind of transistor allows AI hardware to remember and process information more like the human brain does
Females Dominate Males in Many Primate Species
Most primate societies have long been assumed to be male-dominated, but a new study shows many have females in charge or feature power sharing
Is Bisexuality Genetic? It's More Complex Than Some Studies Imply
The controversy over a recent paper on human bisexual behavior emphasizes how important it is not to overinterpret genetic studies of sexuality—and how easy it is to do so
Rampant COVID Poses New Challenges in the Fifth Year of the Pandemic
“We’re still in a pandemic,” says a lead COVID official with the World Health Organization
Why Do Dogs Wag Their Tail?
Is your dog’s tail-wagging a side effect of domestication, or did humans select for it?
Jupiter's Supervolcanic Moon Io Dazzles in Photos from NASA's Close Flybys
During close flybys of Jupiter’s volcanic moon Io, NASA’s Juno spacecraft captured stunning “bonus science” about the nightmarish world
How String Theory Solved Math's Monstrous Moonshine Problem
A concept from theoretical physics helped confirm the strange connection between two completely different areas of mathematics
Why Does a Solar Eclipse Move West to East?
Here’s why the path of a solar eclipse travels in the opposite direction of that of the sun
A Dog Breed's Size and Face Shape Might Predict How Long It Lives
Traits such as face shape, size and sex help predict a dog breed’s life span
Where Does Outer Space Begin?
The popular limit of a 100-kilometer altitude for the edge of space should probably be adjusted down to 80 km